To download a legacy version like for Mac, you should use the official Unity Download Archive , which hosts all previous versions for free. ⬇️ Download & Installation Steps Visit the Archive : Go to the Unity Download Archive .
If you are looking for documentation or guides ("helpful paper") to get started with this specific version: Unity 2018 for Mac Free Download
: Click on the Unity 2018.x tab to see all releases from that year. Choose Your Version : To download a legacy version like for Mac,
: Unity 2018 was the last era to support MonoDevelop before fully transitioning to Visual Studio for Mac . Unity 2018 for Mac Free Download